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/*
* Copyright (c) 2025 Quinn Stephens and the OSMORA team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS”
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "lexer.h"
#include "log.h"
#include "parser.h"
#include "parser/ast.h"
static const char *src = "int x;void **ptr;\nvoid test(void);\nint add(int a, int b);\nint\nmain(int argc, void **argv)\n{\n}\n";
static void
print_param(struct ast_node *param)
{
if (param->ptr_levels > 0) {
log_debug("found parameter \"%.*s\" (%d-level pointer to %s)\n", param->name_len, param->name, param->ptr_levels, param->type->name);
} else {
log_debug("found parameter \"%.*s\" (%s)\n", param->name_len, param->name, param->type->name);
}
}
static void
print_locals(struct hashmap *locals)
{
struct list *list;
struct ast_node *node;
/* Iterate hashmap rows */
for (size_t r = 0; r < locals->row_count; r++) {
/* Iterate row entries */
list = &locals->rows[r];
node = (struct ast_node *)list->head;
while (node != (struct ast_node *)list) {
if (node->kind == NOK_PARAMETER) {
print_param(node);
}
node = (struct ast_node *)node->hashmap_entry.list_entry.next;
}
}
}
static void
print_func(struct ast_node *func)
{
if (func->ptr_levels > 0) {
log_debug("found function \"%.*s\" (returns %d-level pointer to %s)\n", func->name_len, func->name, func->ptr_levels, func->type->name);
} else {
log_debug("found function \"%.*s\" (returns %s)\n", func->name_len, func->name, func->type->name);
}
print_locals(&func->params);
}
static void
print_var(struct ast_node *var)
{
if (var->ptr_levels > 0) {
log_debug("found variable \"%.*s\" (%d-level pointer to %s)\n", var->name_len, var->name, var->ptr_levels, var->type->name);
} else {
log_debug("found variable \"%.*s\" (%s)\n", var->name_len, var->name, var->type->name);
}
}
static void
print_syms(struct hashmap *syms)
{
struct list *list;
struct ast_node *node;
/* Iterate hashmap rows */
for (size_t r = 0; r < syms->row_count; r++) {
/* Iterate row entries */
list = &syms->rows[r];
node = (struct ast_node *)list->head;
while (node != (struct ast_node *)list) {
if (node->kind == NOK_FUNCTION) {
print_func(node);
} else if (node->kind == NOK_VARIABLE) {
print_var(node);
}
node = (struct ast_node *)node->hashmap_entry.list_entry.next;
}
}
}
int
main(int argc, char **argv)
{
struct lexer lexer;
struct parser parser;
bool success;
(void)argc;
(void)argv;
if (!lexer_init(&lexer, src)) {
log_error("failed to initialize lexer\n");
return EXIT_FAILURE;
}
parser.lexer = &lexer;
parser.syms.rows = NULL;
success = parser_parse(&parser);
if (parser.syms.rows != NULL) {
print_syms(&parser.syms);
}
return success ? EXIT_SUCCESS:EXIT_FAILURE;
}
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